Cyanobacteria, also known as blue-green algae, have emerged as a promising tool in the development of sustainable plastics, such as Perspex, by producing citramalate—a key component in plastic production. Researchers from the University of Manchester have demonstrated that these photosynthetic microorganisms can convert CO2, a major greenhouse gas, into valuable materials. This breakthrough could accelerate the creation of eco-friendly plastic alternatives traditionally made from fossil fuel-derived chemicals, supporting the transition to a circular bioeconomy that reduces waste and carbon emissions.

Cyanobacteria are tiny organisms that harness sunlight to convert CO2 into organic matter, offering a sustainable method to produce valuable products without relying on agricultural resources like sugar or corn. Despite their potential, the slow growth and limited efficiency of cyanobacteria have hindered their large-scale industrial use.

Imagine trying to float a soap bubble through a sandstorm without it popping. This is a rough analogy for the extraordinary achievement of Northwestern University researchers in the field of quantum communications. Instead of a delicate soap bubble, these scientists have successfully protected individual particles of light—carrying quantum information—from being overwhelmed by conventional internet traffic.

For years, experts believed that quantum communications would require a completely separate infrastructure, isolated from the busy highways of traditional internet traffic. However, these researchers have proven otherwise, demonstrating that quantum and classical signals can coexist on the same fiber optic cables without disrupting each other. This breakthrough is poised to accelerate the development of quantum networks, offering a more practical and cost-effective route for the future of communication.

A team of researchers from the University of Melbourne’s Caruso Nanoengineering Group has developed an innovative drug delivery system with significant potential to revolutionize drug development. The new system, known as a metal–biomolecule network (MBN), consists of a coordination network made up entirely of metal ions and biomolecules, eliminating the need for complex drug “carriers.” This breakthrough could offer a simpler, more efficient, and safer alternative for a wide range of biomedical applications.

Published in Science Advances, the research was led by Melbourne Laureate Professor and NHMRC Leadership Fellow Frank Caruso, from the Department of Chemical Engineering, along with Research Fellows Dr. Wanjun Xu and Dr. Zhixing Lin, who share first authorship. The MBN nanoparticles are created by combining non-toxic metal ions (such as calcium and iron, which are naturally absorbed through the diet) with phosphonate biomolecules like DNA. These nanoparticles are chemically and metabolically stable, and have demonstrated antiviral, antibacterial, antifungal, anti-inflammatory, and anti-cancer properties.

Mitochondria, the powerhouse of the cell, are critical in regulating cellular functions such as growth, survival, and energy production. Due to their central role in cancer cell metabolism, these organelles have become key targets for innovative cancer therapies. Mitochondrial genetics and metabolism contribute significantly to cancer progression, influencing processes like cell motility, invasion, and the tumor microenvironment. Despite these promising insights, the development of therapies targeting mitochondria has faced significant hurdles.

Current mitochondrial-targeted treatments, such as mitocans and mitochondriotoxics, focus on disrupting key signaling pathways and proteins involved in cellular energy processes, including hexokinase and Bcl2 family proteins. However, the presence of mutations in cancer cells limits the long-term effectiveness of these therapies, making it difficult to achieve sustained clinical success. A promising advancement in the field is mitochondrial optogenetics (mOpto), a technique that introduces light-gated channelrhodopsins into mitochondria, enabling controlled depolarization of the mitochondrial membrane potential (∆Ψm) and subsequent cell death. While this technology showed promise, its reliance on external light sources restricts its application to surface-level tumors.

Australian company SPEE3D has successfully proven that its XSPEE3D technology for additive manufacturing of metal parts operates efficiently in extremely cold environments. As part of the U.S. Department of Defense’s “Point of Need Challenge” project, the company demonstrated that metal components produced in sub-arctic temperatures exhibit material properties comparable to those created under standard laboratory conditions.

The project aimed to assess manufacturing technologies capable of producing and repairing large metal parts in extreme climates. SPEE3D’s successful demonstration took place at the U.S. Army’s Cold Regions Research and Engineering Laboratory (CRREL) in Hanover, New Hampshire, at the end of 2023. The initiative was carried out in collaboration with the New Jersey Institute of Technology’s (NJIT) COMET project, Philips Federal, and the LIFT innovation platform in Detroit.